224988918 has 128 divisors (see below), whose sum is σ = 600514560. Its totient is φ = 54583200.

The previous prime is 224988893. The next prime is 224988947. The reversal of 224988918 is 819889422.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3168823 + ... + 3168893.

It is an arithmetic number, because the mean of its divisors is an integer number (4691520).

Almost surely, 2^224988918 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 224988918, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (300257280).

224988918 is an abundant number, since it is smaller than the sum of its proper divisors (375525642).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

224988918 is a wasteful number, since it uses less digits than its factorization.

224988918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151 (or 113 counting only the distinct ones).

The product of its digits is 663552, while the sum is 51.

The square root of 224988918 is about 14999.6305954513. The cubic root of 224988918 is about 608.2102137693.

The spelling of 224988918 in words is "two hundred twenty-four million, nine hundred eighty-eight thousand, nine hundred eighteen".